Isotopes of Flerovium
List of known isotopes of the element Flerovium.
| Isotope | t½ | % | Spin/parity | Radius | Isotopic mass | Discovery |
|---|---|---|---|---|---|---|
| 284Fl | 2.5 ± ms | syn. | 0+ | — | 2.841·108 ±704 keV/c2 | 2015 |
| 285Fl | 101 ± ms | syn. | — | — | 2.851·108 ±433 keV/c2 | 2010 |
| 286Fl | 166 ± ms | syn. | 0+ | — | 2.861·108 ±590 keV/c2 | 2004 |
| 287Fl | 0.4 ± s | syn. | — | — | 2.871·108 ±663 keV/c2 | 2004 |
| 288Fl | 0.64 ± s | syn. | 0+ | — | 2.881·108 ±819 keV/c2 | 2004 |
| 289Fl | 2.4 ± s | syn. | — | — | 2.891·108 ±548 keV/c2 | 2004 |
| 290Fl | 19 ± s | syn. | 0+ | — | 2.901·108 ±752 keV/c2 | 2016 |
284FlFlerovium-284
| Classification | z: 114; n: 170; m: 284 |
|---|---|
| Half life | 2.5 ± ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | 0+ |
| Decay modes | spontaneous fission; α decay |
| Discovery | 2015 |
| Mass excess | 168,700 ±656 keV |
| Binding energy | 7,163 ±2 keV |
| Single-particle energy | 3,073 ±788 keV |
| Q value for electron capture | 2,188 ±845.2 keV |
285FlFlerovium-285
| Classification | z: 114; n: 171; m: 285 |
|---|---|
| Half life | 101 ± ms |
| Natural abundance | synthetic nuclide |
| Decay modes | α decay; spontaneous fission |
| Discovery | 2010 |
| Mass excess | 170,900 ±404 keV |
| Binding energy | 7,159 ±1 keV |
| Single-particle energy | 2,948 ±669 keV |
| Neutron separation energy | 5,919 ±770 keV |
| Q value for electron capture | 3,164 ±873.9 keV |
286FlFlerovium-286
| Classification | z: 114; n: 172; m: 286 |
|---|---|
| Half life | 166 ± ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | 0+ |
| Decay modes | α decay; spontaneous fission |
| Discovery | 2004 |
| Mass excess | 171,600 ±549 keV |
| Binding energy | 7,159 ±2 keV |
| Single-particle energy | 3,451 ±950 keV |
| Neutron separation energy | 7,398 ±682 keV |
| Q value for electron capture | 1,649 ±805.9 keV |
287FlFlerovium-287
| Classification | z: 114; n: 173; m: 287 |
|---|---|
| Half life | 0.4 ± s |
| Natural abundance | synthetic nuclide |
| Decay modes | α decay; spontaneous fission |
| Discovery | 2004 |
| Mass excess | 173,900 ±617 keV |
| Binding energy | 7,155 ±2 keV |
| Single-particle energy | 3,317 ±854 keV |
| Neutron separation energy | 5,748 ±826 keV |
| β⁻ decay energy | -3,819 ±759 keV |
288FlFlerovium-288
| Classification | z: 114; n: 174; m: 288 |
|---|---|
| Half life | 0.64 ± s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 0+ |
| Decay modes | α decay; spontaneous fission |
| Discovery | 2004 |
| Mass excess | 174,900 ±763 keV |
| Binding energy | 7,154 ±3 keV |
| Single-particle energy | 3,827 ±1,040 keV |
| Neutron separation energy | 7,083 ±981 keV |
| β⁻ decay energy | -4,749 ±932 keV |
| β⁻ decay energy with neutron | -10,910 ±882 keV |
289FlFlerovium-289
| Classification | z: 114; n: 175; m: 289 |
|---|---|
| Half life | 2.4 ± s |
| Natural abundance | synthetic nuclide |
| Decay modes | α decay; spontaneous fission |
| Discovery | 2004 |
| Mass excess | 177,400 ±511 keV |
| Binding energy | 7,149 ±2 keV |
| Single-particle energy | 3,793 ±866 keV |
| Neutron separation energy | 5,523 ±918 keV |
| β⁻ decay energy | -3,217 ±929 keV |
| β⁻ decay energy with neutron | -10,280 ±740 keV |
290FlFlerovium-290
| Classification | z: 114; n: 176; m: 290 |
|---|---|
| Half life | 19 ± s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 0+ |
| Decay modes | electron capture + β⁺ decay; spontaneous fission; α decay |
| Discovery | 2016 |
| Mass excess | 178,700 ±700 keV |
| Binding energy | 7,147 ±2 keV |
| Single-particle energy | 4,109 ±861 keV |
| Neutron separation energy | 6,806 ±867 keV |
| Q value for electron capture | 416 ±842.5 keV |
| β⁻ decay energy | -4,061 ±917 keV |
| β⁻ decay energy with neutron | -10,030 ±1,046 keV |